SN - MW765 microwave motion sensor, a new energy-saving switch, adopts a microwave sensor with high-frequency electromagnetic waves (5.8 GHz) and an integrated circuit. It gathers automatism, convenience, safety, energy-saving, and practical functions. When one enters the detection field, it can start the load at once, while automatically identifying day and night. The installation of this product is very convenient, and it can be used for a wide range of applications. It can be detected easily through glass, doors, or even thin walls, making it ultra-reliable as there are no gaps in the detection zone.